Finding the Fourth Proportional to 151,339.61, 208,850.06 and 83,358.99
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Solution
The fourth proportional to 151,339.61, 208,850.06 and 83,358.99 is: 115,036.18
Step by Step Solution
- Step 1: Write the proportion equation
151,339.61 : 208,850.06 = 83,358.99 : x - Step 2: Convert to fraction form
151,339.61/208,850.06 = 83,358.99/x - Step 3: Cross multiply
151,339.61x = 208,850.06 × 83,358.99 - Step 4: Simplify right side
151,339.61x = 17,409,530,063.04 - Step 5: Solve for x
x = 17,409,530,063.04/151,339.61 - Step 6: Final answer
x = 115,036.18
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.